Come and Check Our Branding Solutions.The magnetic stirring cup is made of food-grade abs (outside) and food-grade 304 stainless steel (inside). The double-layer design of the cup body will not burn your hands when the boiling water is poured into the cup. Ultra-quiet, unleashes powerful power, and stirs liquids quickly. Type-c charging available, no need to buy extra batteries, double tap to start stirring and one tap to close. Safe to use. It is easy to clean it with running water, but do not use the dishwasher or completely soak for cleaning. Your satisfaction is our top priority, and we accept any idea from you on customization and offer best price, lead time and service to make you happy with us. Pls check inventory and detailed info before placing your orders.